Home / 193,237.28-289,875.80-66,877.30

Finding the Fourth Proportional to 193,237.28, 289,875.80 and 66,877.30

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Solution

The fourth proportional to 193,237.28, 289,875.80 and 66,877.30 is: 100,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,237.28 : 289,875.80 = 66,877.30 : x
  2. Step 2: Convert to fraction form
    193,237.28/289,875.80 = 66,877.30/x
  3. Step 3: Cross multiply
    193,237.28x = 289,875.80 × 66,877.30
  4. Step 4: Simplify right side
    193,237.28x = 19,386,109,780.26
  5. Step 5: Solve for x
    x = 19,386,109,780.26/193,237.28
  6. Step 6: Final answer
    x = 100,322.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.